Sdu System Characteristics; Aspire 400 Sdu Configuration Module (Scm) Architecture - Honeywell ASPIRE-400 System Description, Installation And Maintenance Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
NOTE:
E.

SDU System Characteristics

(1) Table 1-3 provides the specifications for ASPIRE 400 SDU.
Component
SDU
4. SCM System (TASK 23-15-49)
A.

Aspire 400 SDU Configuration Module (SCM) Architecture

(1) The SCM provides memory for storage of ORT files and licenses, USIMs needed for SBB
network access and a Security Smart card that is needed for Safety service
EFFECTIVITY
ALL
© Honeywell International Inc. Do not copy without express permission of Honeywell.
ASPIRE-400
Figure 1-4 is a logical representation of the SDU functions and interconnections and
does not imply a direct mapping to the physical implementation
Table 1-3. SDU Component Specifications
Characteristic
Part Number
Length
Width
Height
Mounting Information
Weight
Power Dissipation
Power Consumption
Operating Voltage
Cooling
Maintenance
Interfaces
System Requirements
Specification
90402651-000
14.604 Inches (370.94 mm) MAX
2.41 Inches (61.2 mm) MAX
7.88 Inches (200.1 mm) MAX
2MCU Tray per ARINC 600
8.00 Lbs (3.63 Kg) MAX
70 W MAX
60 W MAX
115 VAC
UNIT IS DESIGNED TO OPERATE IN FORWARD
EBAY, CABIN, AND NON-PRESSURIZED
COMPARTMENT. UNIT REQUIRES FORCE AIR
COOLING AS FOLLOWS:
– AIR FLOW OF 15.4 KG/HR (34.0 LB/HR)
– AMBIENT PRESSURE OF 101.3 KPA (14.696 PSI)
– AIR TEMPERATURE OF 40 C (104 F). INTERNAL
FAN USED DURING LOSS OF COOLING
CONDITION:
– FLOW RATE MAX 3.98 CFM
– FAN FILTRATION REQUIREMENTS: NONE
No scheduled maintenance Required
9 PIN D-SUB Receptacle
RJ45 Connector
RTCA/DO-160G
23-15-49
3rd rvw Draft as of:
29 January, 2020
Page 1-10
22 Apr 2019